Medical suppliers haven't been paid for as much as two years, emergency rooms have been shut down and doctors in Catalonia have been told to accept a pay cut or 1,500 medical residents will lose their jobs. Spain's treasured public health care system has become the latest victim of the euro zone debt crisis. "We haven't been paid, but there's nothing we can do about it. We need the contracts, so we're just going to have to wait it out," said a representative for a cleaning company who did not want his or the firm's name used for fear of a backlash. The company, which says it is owed hundreds of millions of euros by the government of the Castilla-La Mancha region south of Madrid, is one of dozens of providers of everything from surgical swabs to disinfectants struggling to pay workers...